Replacement Filter for H2O 4 Distilled Water Filtration Systems

This replacement filter cartridge is compatible with the H2O 4 X and the H20 4 EZ Distilled Water Filtration System. It eliminates calcium, manganese, and other impurities from tap water, ensuring distilled water suitable for your CPAP or BiPAP humidifier.

*Each cartridge lasts around 30 days and yields about 3.25 gallons of ion-distilled water.